GitLab

Remove the "+ Add site exception" button for consistency with other
Content Settings based on origin. The current UX for this action
assumes that the site exception is host-pattern based, so the
exception is not stored/cleared correctly.

Bug: 818615, 677565
Change-Id: Id47b07ea704c4957f3bb73c2c99629021bc65bd3
Reviewed-on: https://chromium-review.googlesource.com/952574Reviewed-by: Theresa <twellington@chromium.org>
Reviewed-by: Raymes Khoury <raymes@chromium.org>
Reviewed-by: Finnur Thorarinsson <finnur@chromium.org>
Commit-Queue: Gary Kacmarcik <garykac@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542118}